Juliet. As he lays dying she wakes up to find his body and then commits sucide.
The friar. He finds Romeo dead there too, by the way.
Romeo
Romeo died first. Juliet took a fake potion to make her sleep but appear to be dead. Romeo then drank his potion presuming her dead and died. Juliet then woke up to find Romeo dead and stabbed herself with his knife.
Paris' watchman and servant are the people who find Romeo and Juliet dead.
Romeo finds Juliet's body in her bedroom after she has taken a potion that makes her appear dead.
When Romeo finds out that Juliet is 'Dead' he goes to see her in her tomb, and as Paris is there, he tries to stop him from seeing her, thus Romeo kills him.
The nurse finds Juliet dead first.
Juliet's death was in the final act of the play -- after the death of Romeo. Juliet takes a potion that sends her into a deep sleep and makes her appear dead. When romeo finds her, he thinks she is dead and drinks poision. Juliet wakes up from her sleep and finds romeo dead beside her. She kills herself with a dagger because, just as romeo could not live without her, she could not live without him.
Romeo and Juliet
Romeo dies first. Juliet drinks a portion which makes her seem dead, but Romeo thinks she really is dead and commits suicide. When Juliet is awake again, she sees dead Romeo next to her and kills herself.
Romeo buys the poison to kill himself because he does not want to live without Juliet once he finds out that she is "dead".
In Romeo and Juliet, Romeo dreams that Juliet finds him dead but then kisses him back to life. This dream foreshadows their tragic fate and the ultimate sacrifice they will make for love.